Mutian, A solar energy system manufacturer in China, which was founded in 2006. Main Products are solar energy system and solar light system. ISO CE TUV ROHS CERTIFICATES. We are designated as one of the PV products supplier in China by China Ministry of Commerce. Most recently, we advanced solar power system to provide assistance to emergency challanges for many countries, such as Nepal, Benin and Ethiopia. Besides, Chinese aid medical equipment including Mutian Lighting for Ghana to resist the Ebola virus. These lights saved lives everyday by lighting up emergency medical clinics, food distribution stations and rescue efforts, allowing around the clock operations, which would have otherwise been curtailed at dusk.

RFQs

1. What is the lifespan of solar panel?

High-quality solar panels used in Mutian product lines are typically rated at 80% of the minimum power output rating at 25 years.

2. What’s the main difference between mono and polycrystalline solar panel?

Production and cost.

Polysilicon technology is more mature since it is an early technology compared with Monosilicon.

3. Does your controller has the dual time control function?

Our solar charge controller is designed with dual time control function.

You can set up the lighting time and divide it into two parts, like 10 hours (6H full power mode + 4H half dimming mode)

4. How many cycles full charge & discharge about your battery?

In 50% discharging deepness, it can be cycled for 1,200 times;

In floating charging and discharging status, it can be cycled for 4000~5000 times.